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Thomas Alcala Schneider
Thomas Alcala Schneider

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Deno Version Management

Logo © Samip Poudel

Deno is really nice! Version managers are nice too, they offer a way to have several versions of a runtime, dependencies installed at a user level, without breaking system runtime if any.

Here we will use one version manager to install the Deno runtime 😀.



Deno is a JavaScript/TypeScript runtime that can replace NodeJS, with
the aim to be more secure.

Deno Runtime Installation

Standard Installation

There are a bunch of scripts to install the Deno runtime in the
depending on your operating system. Deno is written in Rust, so you can
also install it with cargo, the Rust package manager.


The real topic of this post!

dvm (Deno Version Manager) is a version manager inspired by
fnm, a fast NodeJS version manager.


You can get it from the GitHub release
or with opam if you work
with OCaml, it is written in OCaml.

$ opam pin add dvm 
$ opam install dvm

For Windows, your best bet is probably the OPAM approach, or WSL.


It is not as mature as fnm, so what you have to do next is:

  1. Install a Deno runtime

    $ dvm install 1.1.3

  2. Use the Deno runtime

    $ dvm use 1.1.3

  3. Add the Deno runtime to your PATH

    Add this line to your shell rc: export PATH="$HOME/.dvm/current:$PATH"

Test the Runtime

Deno hosts an example file with a single line console log in it. You can
test your runtime with it like this:

$ deno run  
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This is it! 🎊

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